You can use a corkscrew as a clever kitchen hack to remove stubborn drywall plugs or insert a screw into the anchor so you can grip it with something and pry it out in seconds. Needle-nosed pliers ...

The unit works for repetitive installations such as glazing, racking and ledgers. It is a fully-removable 1/4-in. screw anchor.

The video by Petzl that demonstrates proper ice screw placement technique, as well as how to set an anchor and a v-thread in waterfall ice. It's clear seven minutes don't suffice to cover all ice ...